package com.cdream.basic.util;

import cn.hutool.core.util.StrUtil;

/**
 * @author cdream
 * @date 2020-06-14
 */
public class StrUtilExample {
    public static void main(String[] args) {
        boolean b = StrUtil.isNullOrUndefined("null");
        System.out.println(b);
        String join = StrUtil.join(",", "小白", "小黑", "小册那");
        System.out.println(join);
    }
}
